- All sections
- G - Physics
- G10L - Speech analysis techniques or speech synthesisspeech recognitionspeech or voice processing techniquesspeech or audio coding or decoding
- G10L 21/02 - Speech enhancement, e.g. noise reduction or echo cancellation
Patent holdings for IPC class G10L 21/02
Total number of patents in this class: 2043
10-year publication summary
|
118
|
140
|
116
|
121
|
113
|
110
|
96
|
70
|
58
|
36
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 157557 |
100 |
| Dolby Laboratories Licensing Corporation | 4320 |
78 |
| Huawei Technologies Co., Ltd. | 123282 |
76 |
| Qualcomm Incorporated | 91997 |
72 |
| Microsoft Technology Licensing, LLC | 54439 |
51 |
| NEC Corporation | 36934 |
50 |
| Amazon Technologies, Inc. | 28066 |
37 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6118 |
35 |
| Google LLC | 44482 |
34 |
| Nuance Communications, Inc. | 385 |
27 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5249 |
25 |
| Sonos, Inc. | 2853 |
25 |
| Tencent Technology (Shenzhen) Company Limited | 15955 |
25 |
| Avago Technologies International Sales Pte. Limited | 8564 |
23 |
| Panasonic Corporation | 19060 |
22 |
| Fujitsu Limited | 16862 |
22 |
| Dolby International AB | 1027 |
22 |
| Malikie Innovations Limited | 6474 |
22 |
| Telefonaktiebolaget LM Ericsson (publ) | 28744 |
21 |
| BlackBerry Limited | 4864 |
20 |
| Other owners | 1256 |